At what gestational age do lung buds first appear?

The means of egress must terminate in a(n):

A. exit discharge. B. exit waiting area. C. public way or an area of refuge D. area also designated as an entry way.

Clusters of which type of bone cells are responsible for bone remodeling?

a. Trabeculae b. Osteoclastic cutting cones c. Basic multicellular units d. Haversian system cells